Home / 212,788.50-293,650.14-117,298.62

Finding the Fourth Proportional to 212,788.50, 293,650.14 and 117,298.62

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Solution

The fourth proportional to 212,788.50, 293,650.14 and 117,298.62 is: 161,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,788.50 : 293,650.14 = 117,298.62 : x
  2. Step 2: Convert to fraction form
    212,788.50/293,650.14 = 117,298.62/x
  3. Step 3: Cross multiply
    212,788.50x = 293,650.14 × 117,298.62
  4. Step 4: Simplify right side
    212,788.50x = 34,444,756,184.81
  5. Step 5: Solve for x
    x = 34,444,756,184.81/212,788.50
  6. Step 6: Final answer
    x = 161,873.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.